CN100489565C - Light collimating and diffusing film, and system for making the film - Google Patents

Light collimating and diffusing film, and system for making the film Download PDF

Info

Publication number
CN100489565C
CN100489565C CNB2005800317896A CN200580031789A CN100489565C CN 100489565 C CN100489565 C CN 100489565C CN B2005800317896 A CNB2005800317896 A CN B2005800317896A CN 200580031789 A CN200580031789 A CN 200580031789A CN 100489565 C CN100489565 C CN 100489565C
Authority
CN
China
Prior art keywords
cylinder roller
grain surface
plastic layer
degree
line
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CNB2005800317896A
Other languages
Chinese (zh)
Other versions
CN101023378A (en
Inventor
A·F·巴斯陶洛斯
K·P·卡帕尔多
G·科约卡里乌
A·迪亚斯
J·格雷夫
E·E·古雷尔
G·海
M·G·琼斯
K·A·库马
T·M·勒尔
S·A·泰舍
M·亚马达
Original Assignee
SABIC Innovative Plastics IP BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by SABIC Innovative Plastics IP BV filed Critical SABIC Innovative Plastics IP BV
Publication of CN101023378A publication Critical patent/CN101023378A/en
Application granted granted Critical
Publication of CN100489565C publication Critical patent/CN100489565C/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0051—Diffusing sheet or layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/08—Devices involving relative movement between laser beam and workpiece
    • B23K26/0823—Devices involving rotation of the workpiece
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K26/00—Working by laser beam, e.g. welding, cutting or boring
    • B23K26/352—Working by laser beam, e.g. welding, cutting or boring for surface treatment
    • B23K26/355—Texturing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/04—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing using rollers or endless belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00—Producing optical elements, e.g. lenses or prisms
    • B29D11/00663—Production of light guides
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B27/00—Optical systems or apparatus not provided for by any of the groups G02B1/00 - G02B26/00, G02B30/00
    • G02B27/30—Collimators
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0221—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures the surface having an irregular structure
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/021—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures
    • G02B5/0226—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place at the element's surface, e.g. by means of surface roughening or microprismatic structures having particles on the surface
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0205—Diffusing elements; Afocal elements characterised by the diffusing properties
    • G02B5/0236—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element
    • G02B5/0242—Diffusing elements; Afocal elements characterised by the diffusing properties the diffusion taking place within the volume of the element by means of dispersed particles
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0268—Diffusing elements; Afocal elements characterized by the fabrication or manufacturing method
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B5/00—Optical elements other than lenses
    • G02B5/02—Diffusing elements; Afocal elements
    • G02B5/0273—Diffusing elements; Afocal elements characterized by the use
    • G02B5/0278—Diffusing elements; Afocal elements characterized by the use used in transmission
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0065—Manufacturing aspects; Material aspects
    • G—PHYSICS
    • G02—OPTICS
    • G02F—OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS
    • G02F1/00—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics
    • G02F1/01—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour 
    • G02F1/13—Devices or arrangements for the control of the intensity, colour, phase, polarisation or direction of light arriving from an independent light source, e.g. switching, gating or modulating; Non-linear optics for the control of the intensity, phase, polarisation or colour  based on liquid crystals, e.g. single liquid crystal display cells
    • G02F1/133—Constructional arrangements; Operation of liquid crystal cells; Circuit arrangements
    • G02F1/1333—Constructional arrangements; Manufacturing methods
    • G02F1/1335—Structural association of cells with optical devices, e.g. polarisers or reflectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/30—Organic material
    • B23K2103/42—Plastics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
    • B23K2103/00—Materials to be soldered, welded or cut
    • B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C59/00—Surface shaping of articles, e.g. embossing; Apparatus therefor
    • B29C59/02—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing
    • B29C59/022—Surface shaping of articles, e.g. embossing; Apparatus therefor by mechanical means, e.g. pressing characterised by the disposition or the configuration, e.g. dimensions, of the embossments or the shaping tools therefor
    • B29C2059/023—Microembossing
    • G—PHYSICS
    • G02—OPTICS
    • G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/0001—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems
    • G02B6/0011—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings specially adapted for lighting devices or systems the light guides being planar or of plate-like form
    • G02B6/0033—Means for improving the coupling-out of light from the light guide
    • G02B6/005—Means for improving the coupling-out of light from the light guide provided by one optical element, or plurality thereof, placed on the light output side of the light guide
    • G02B6/0053—Prismatic sheet or layer; Brightness enhancement element, sheet or layer
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S359/00—Optical: systems and elements
    • Y10S359/90—Methods

Abstract

A light collimating and diffusing film and a method for making the film are provided. The film includes a plastic layer having a first side and a second side opposite the first side and at least a first peripheral edge. The first side has a first textured surface, wherein between 7 to 20 percent of slope angles on the first textured surface proximate a first axis has a value between zero and five degrees. The first axis is substantially parallel to the first peripheral edge. The plastic layer collimates light propagating therethrough.

Description

Optical alignment and diffusion barrier and the system that makes this film
Background technology
Researched and developed the optical diffusion film that is used to receive light and diffusion light.This optical diffusion film uses a plurality of manufacturing step manufacturings.At first, in acrylate solution, place a plurality of polystyrene beads.Next this acrylate solution is coated to the surface of moldable film.Thereafter, the heating moldable film is to bake and bank up with earth acrylate and polystyrene bead is attached to this moldable film.The major defect of this optical diffusion film manufacturing process is that it needs the step of some relative complex to come to apply this film with acrylate solution and polystyrene bead.In addition, it is relatively costly to implement this manufacturing process.
Therefore, need to use the technology of simplifying to make optical diffusion film, this technology is not utilized acrylate solution or polystyrene bead.
Summary of the invention
According to a typical embodiments, a kind of optical alignment and diffusion barrier are provided.This film comprises plastic layer, and this plastic layer has first side and second side relative with first side, and at least one first peripheral edge.This first side has first grain surface, wherein is close on first grain surface of first axle 7% to 20% inclination angle and has the value of zero degree to five degree.First axle is basically parallel to first peripheral edge.This plastic layer calibration is through the light of its propagation.
According to another typical embodiments, provide a kind of method of making optical alignment and diffusion barrier.This method comprises through mould pushes the plastics of heating to form plastic layer.This plastic layer has first side and second side relative with first side, and at least one first peripheral edge.This plastic layer extends along the first axle and second axis.This first axle is basically parallel to first peripheral edge.Second axis is basically perpendicular to first axle.This method comprises that also at least one is lower than predetermined temperature in the cooling first and second rotational circle tubular rollers.This method also is included in mobile plastic layer between the first and second rotational circle tubular rollers.First side of first cylinder roller contact plastic layer, second side of second cylinder roller contact plastic layer.First cylinder roller forms first grain surface on first side of plastic layer, wherein be close on first grain surface of first axle 7% to 20% inclination angle and have the value of zero degree to five degree.
According to another typical embodiments, provide a kind of system that is used to make optical alignment and diffusion barrier.This system comprises the extrusion equipment that is operably connected to mould.This extrusion equipment advances the plastics process mould of heating to form plastic layer.This plastic layer has first side and second side relative with first side, and at least one first peripheral edge.This plastic layer extends along the first axle and second axis.This first axle is basically parallel to first peripheral edge.Second axis is basically perpendicular to first axle.This system also comprises and is used to receive plastic layer, first and second cylinder rollers that are closely adjacent to each other and place.This system also comprises cooling device, sets this equipment and is lower than predetermined temperature with at least one that cool off in first and second cylinder rollers.First side of first cylinder roller contact plastic layer, and on first side of plastic layer, form first grain surface.Second side of second cylinder roller contact plastic layer wherein is close on first grain surface of first axle 7% to 20% inclination angle and has the value of zero degree to five degree.
According to another typical embodiments, provide a kind of method that is used to make optical alignment and diffusion barrier.This method comprises that heating has first side and the second side plastic layer.This plastic layer has first side and second side relative with first side, and at least one first peripheral edge.This plastic layer extends along the first axle and second axis.This first axle is basically parallel to first peripheral edge.Second axis is basically perpendicular to first axle.This method comprises that also at least one is higher than predetermined temperature in heating first and second cylinder rollers.This method also is included in mobile plastic layer between the first and second rotational circle tubular rollers, and wherein first cylinder roller contacts first side of plastic layer, and second cylinder roller contacts second side.First cylinder roller forms first grain surface on first side of first axle of next-door neighbour's plastic layer, wherein be close on first grain surface of first axle 7% to 20% inclination angle and have the value of zero degree to five degree.
According to another typical embodiments, provide a kind of system that is used to make optical alignment and diffusion barrier.This system comprises and is set first firing equipment that heats plastic layer.This plastic layer has first side and second side relative with first side, and at least one first peripheral edge.This plastic layer extends along the first axle and second axis.This first axle is basically parallel to first peripheral edge.Second axis is basically perpendicular to first axle.This system also comprises and is used to receive plastic layer, first and second cylinder rollers that are closely adjacent to each other and place.This system also comprises second firing equipment, sets this equipment to heat in first and second cylinder rollers at least one.First side of first cylinder roller contact plastic layer, and on first side of plastic layer, form first grain surface, and second side of second cylinder roller contact plastic layer wherein is close on first grain surface of first axle 7% to 20% inclination angle and has the value of zero degree to five degree.
According to another typical embodiments, provide a kind of instrument that on optical alignment and diffusion barrier, forms grain surface.This instrument comprises the cylindrical part of placing around first axle, and this part has external texture surface and first end and second end.This cylindrical part also comprises first line that is basically perpendicular to first end, and this line next-door neighbour external texture surface is provided with, and extends across cylindrical part substantially.This cylindrical part also comprises second line, the distance that this linear distance first end is predetermined, and the circumference around cylindrical part extends substantially.This external texture surface has a plurality of outshots and a plurality of sunk part, and wherein each outshot stretches out from least one next-door neighbour's sunk part.A plurality of outshots and a plurality of sunk part limit a plurality of inclination angles, wherein are close on first line or the second-line external texture surface 7% to 20% inclination angle and have the value of zero degree to five degree.
According to another typical embodiments, provide a kind of method that is used on cylinder roller, forming grain surface.This cylinder roller is placed around first axle, and has external texture surface and first end and second end.This cylinder roller also comprises first line that is basically perpendicular to first end, and this line next-door neighbour external texture surface is provided with, and extends across cylinder roller substantially.This cylinder roller also comprises second line, the distance that this linear distance first end is predetermined, and the circumference around cylindrical part extends substantially.This method comprises with predetermined rotating speed around first axle rotational circle tubular roller.This method also comprises emission pulsation energy beam, and this energy beam is with the outside surface of predetermined strength contact cylinder roller, and during the cylinder roller rotation, and energy beam is moved to second end from first end of cylinder roller.This energy beam is removed part outside surface to obtain grain surface, wherein is close on first line or the second-line grain surface 7% to 20% inclination angle and has the value of zero degree to five degree.
According to another typical embodiments, provide a kind of method that is used on cylinder roller, forming grain surface.This cylinder roller is placed around first axle, and has external texture surface and first end and second end.This cylinder roller also comprises first line, and this line next-door neighbour external texture surface is provided with.This first line extends across cylinder roller substantially, is basically perpendicular to first end.This cylinder roller also comprises second line, the length that this linear distance first end is predetermined, and the circumference around cylindrical part extends substantially.This method comprises that the rotating speed to be scheduled to centers on first axle rotational circle tubular roller in electrolyte flow.This cylinder roller electrical grounding.This method also comprises to electrolyte flow and applies predetermined current density, wherein the metallic ion in the fluid be attached to cylinder roller outside surface to form grain surface, wherein be close on first line or the second-line grain surface 7% to 20% inclination angle and have the value of zero degree to five degree.
According to another typical embodiments, provide a kind of method that is used on cylinder roller, forming grain surface.This cylinder roller is placed around first axle, and has external texture surface and first end and second end.This cylinder roller also comprises first line, and this line next-door neighbour external texture surface is provided with.This first line extends across cylinder roller substantially, is basically perpendicular to first end.This cylinder roller also comprises second line, the length that this linear distance first end is predetermined, and the circumference around cylindrical part extends substantially.This method comprises that also the rotating speed to be scheduled to centers on first axle rotational circle tubular roller in the fluid that comprises metallic ion and nonmetal particle.This method also comprise chemical bonding metallic ion and nonmetal particle to the outside surface of cylinder roller to form grain surface, wherein be close on first line or the second-line grain surface 7% to 20% inclination angle and have the value of zero degree to five degree.
According to another typical embodiments, provide a kind of method that is used on cylinder roller, forming grain surface.This cylinder roller is placed around first axle, and has external texture surface and first end and second end.This cylinder roller also comprises first line, and this line next-door neighbour external texture surface is provided with.This first line extends across cylinder roller substantially, is basically perpendicular to first end.This cylinder roller also comprises second line, the length that this linear distance first end is predetermined, and the circumference around cylindrical part extends substantially.This method comprises with predetermined rotating speed around first axle rotational circle tubular roller.This method also comprises dielectric liquid is coated onto on the cylinder roller.This method comprises that also one or more electrodes of placing from next-door neighbour's cylinder roller discharge electric spark repeatedly.The outside surface of this electric spark contact cylinder roller, the metal of heating and fusing scheduled volume is to form grain surface on cylinder roller.During cylinder roller rotation, mobile electric spark, wherein is close on first line or the second-line grain surface 7% to 20% inclination angle and has the value of zero degree to five degree to second end from first end of cylinder roller.
According to another typical embodiments, provide a kind of method that is used on cylinder roller, forming grain surface.This cylinder roller is placed around first axle, and has external texture surface and first end and second end.This cylinder roller also comprises first line, and this line next-door neighbour external texture surface is provided with.This first line extends across cylinder roller substantially, is basically perpendicular to first end.This cylinder roller also comprises second line, the length that this linear distance first end is predetermined, and the circumference around cylindrical part extends substantially.This method comprises with predetermined rotating speed around first axle rotational circle tubular roller.This method also comprises the outside surface that uses cutting tool to contact cylinder roller repeatedly with predetermined frequency.During the cylinder roller rotation, this cutting tool moves to second end from first end of cylinder roller.This cutting tool is removed part outside surface to obtain grain surface, wherein is close on first line or the second-line grain surface 7% to 20% inclination angle and has the value of zero degree to five degree.
According to another typical embodiments, provide a kind of method that is used on cylinder roller, forming grain surface.This cylinder roller is placed around first axle, and has external texture surface and first end and second end.This cylinder roller also comprises first line, and this line next-door neighbour external texture surface is provided with.This first line extends across cylinder roller substantially, is basically perpendicular to first end.This cylinder roller also comprises second line, the length that this linear distance first end is predetermined, and the circumference around cylindrical part extends substantially.This method comprises with the chemically-resistant layer and applies this cylinder roller, wherein removes the chemically-resistant layer in the precalculated position, to expose the cylinder roller surface in the precalculated position under it.This method comprises that also the rotating speed to be scheduled to centers on first axle rotational circle tubular roller in comprising the container of etching solution.This etching solution is removed part drum shape roller in the precalculated position to obtain grain surface, wherein is close on first line or the second-line grain surface 7% to 20% inclination angle and has the value of zero degree to five degree.
According to another typical embodiments, provide a kind of back lighting equipment.This back lighting equipment comprises light source.This back lighting equipment comprises that also the placement of next-door neighbour's light source is used to receive the photoconduction from the light of light source.This back lighting equipment also comprises at least one plastic layer, and this plastic layer has first side and second side and at least one first peripheral edge relative with first side.This first side has first grain surface, wherein is close on first grain surface of first axle 7% to 20% inclination angle and has the value of zero degree to five degree, and this first axle is basically parallel to first peripheral edge, and wherein the plastic layer calibration is through the light of its propagation.
According to another typical embodiments, a kind of optical alignment and diffusion barrier are provided.This film comprises simple layer (unitary layer), wherein is greater than or equal to 80% of simple layer total amount and comprises polycarbonate compound.This simple layer has first side and second side relative with first side, and at least one first peripheral edge.This first side has first grain surface, wherein is close on first grain surface of first axle 7% to 20% inclination angle and has the value of zero degree to five degree.This first axle is basically parallel to first peripheral edge.The plastic layer calibration is through the light of its propagation.
Based on review to following accompanying drawing and detailed description, according to other system of embodiment and/or method will become or for those skilled in the art apparent.Spare system that all are such and method are intended to fall within the scope of the invention, are subjected to the protection of claims.
Description of drawings
Fig. 1 is the exploded view according to the back lighting equipment of typical embodiments;
Fig. 2 is the synoptic diagram of a part of the back lighting equipment of Fig. 1;
Fig. 3 is according to another typical embodiments, the optical alignment that uses in the back lighting equipment of Fig. 1 and the cross sectional representation of diffusion barrier;
Fig. 4 is the chart that shows the front surface top rade distribution of optical alignment and diffusion barrier;
Fig. 5 is the vertical view of cylinder roller, and diagram is used for determining the exemplary trajectory of tilt profiles;
Fig. 6 is the vertical view of optical alignment and diffusion barrier, and diagram is used for determining the exemplary trajectory of tilt profiles;
Fig. 7 is the vertical view of cylinder roller, and diagram is used for determining the exemplary trajectory of tilt profiles;
Fig. 8 is the vertical view of optical alignment and diffusion barrier, and diagram is used for determining the exemplary trajectory of tilt profiles;
Fig. 9 is according to another typical embodiments, is used to make the synoptic diagram of melt calendering (calendaring) system of optical alignment and diffusion barrier;
Figure 10 is according to another typical embodiments, is used to make the synoptic diagram of the embossing system of optical alignment and diffusion barrier;
Figure 11 is according to another typical embodiments, is used for obtaining on cylinder roller the synoptic diagram of the energy beam die sinking system of grain surface;
Figure 12 is to use the synoptic diagram of grain surface on the cylinder roller that the energy beam die sinking system of Figure 11 obtains;
Figure 13 is to use the synoptic diagram of grain surface on optical alignment that the cylinder roller of Figure 12 obtains and the diffusion barrier;
Figure 14 is according to another typical embodiments, is used for obtaining on cylinder roller the particle of grain surface and the synoptic diagram of metallic ion associating depositing system;
Figure 15 is to use the synoptic diagram of grain surface on the cylinder roller that the particle of Figure 14 and metallic ion associating depositing system obtain;
Figure 16 is to use the synoptic diagram of grain surface on optical alignment that the cylinder roller of Figure 15 obtains and the diffusion barrier;
Figure 17 is according to another typical embodiments, is used for obtaining on cylinder roller the synoptic diagram of the metallic ion depositing system of grain surface;
Figure 18 is according to another typical embodiments, is used for obtaining on cylinder roller the synoptic diagram of the micromechanics die sinking system of grain surface;
Figure 19 is the enlarged front view of the cutting tool that uses in the system of Figure 18;
Figure 20 is the enlarged side view of the cutting tool that uses in the system of Figure 18;
Figure 21 is according to another typical embodiments, is used for obtaining on cylinder roller the synoptic diagram of the chemical erosion die sinking system of grain surface;
Figure 22 is the cross-sectional view of amplification of a part of the employed cylinder roller of system of Figure 21; And
Figure 23 is according to another typical embodiments, is used for obtaining on cylinder roller the synoptic diagram of the discharge die sinking system of grain surface;
Embodiment
With reference to Fig. 1 and 2, illustrate the back lighting equipment 20 that is used for irradiating liquid crystal display device (not shown).This back lighting equipment 20 comprises light source 22, reflectance coating 24, photoconduction 26, optical alignment and diffusion barrier 28, light collimating films 30, light collimating films 32, and optical diffusion film 34.As shown, light source 22 is placed on first end of photoconduction 26.In addition, first of reflectance coating 24 next-door neighbour photoconductions 26 be sidelong and put.Second of first side next-door neighbour photoconduction 26 of optical alignment and diffusion barrier 28 is sidelong and is put, and utilizes post 36,38 and photoconduction 26 to separate.The clearance 40 that post 36,38 forms between photoconduction 26 and the film 28.Second of light collimating films 30 next-door neighbour's films 28 are sidelong and are put.At last, optical alignment mould 32 next-door neighbour's light collimating films 30 are placed, and optical diffusion film 34 next-door neighbour's light collimating films 32 are placed.
To explain the path of typical beam now through photoconduction 26 and optical alignment and diffusion barrier 28 propagation.Light source 22 emission light beams 42, this light beam is propagated through photoconduction 26, and reflects there to axis 44, and described axis is basically perpendicular to the upper surface of photoconduction 26.When light beam 42 left photoconduction 26 and clearance 40, light beam 42 was refracted away from axis 44 nearly 45 degree.When light beam 42 entered optical alignment and diffusion barrier 28, film 28 reflected light beam 42 to axis 44.Thereafter, when light beam 42 left film 28, light beam was refracted away from axis 44 nearly 31 degree.Thereafter, light beam 42 enters the bottom side of light collimating films 30 with 31 degree angles of relative axis 44, and propagates through film 30.Film 30 thereon the surface refraction light beam to the zero angle of relative axis 44.Because light beam enters film 32 with the zero angle of relative axis 44, film 32 has high relatively brightness along axis 44.
With reference to figure 2 and 3, will explain optical alignment and diffusion barrier 28 in more detail now.Utilize film 28 with the refraction of optical beam to axis 44.Film 28 is made of single plastic layer, and this plastic layer has the thickness in the 0.025-10 millimeter scope.Certainly, film 28 can constitute and has less than 0.025 millimeter or greater than 10 millimeters thickness.Film 28 has the optical brightening compound that is deposited in the plastic layer, and wherein the amount of optical brightening compound is in the 0.001%-1.0% of plastic layer total amount scope.Film 28 also comprises the antistatic compound that is deposited in the plastic layer such as fluoridizing sulfonation phosphorus (fluorinatedphosphonium sulfonate) etc.The general formula of fluoridizing sulfonation phosphorus is: { CF 3(CF 2) n(SO 3) θ{ P (R 1) (R 2) (R 3) (R 4) ΦWherein F is a fluorine; N is an integer among the 1-12, and S is a sulphur; R1, R2 and R3 are identical elements, each all has the aliphatic group that contains 1-8 carbon atom, perhaps contains the aryl radical of 6-12 carbon atom; And R4 is the alkyl that contains 1-18 carbon atom.Film 28 also comprises ultraviolet ray (UV) absorption compound that places in the plastic layer, and wherein the amount of UV absorption compound is in the scope of the 0.01%-1.0% of plastic layer total amount.Film 28 comprises the texture upper surface 46 with a plurality of outshots 52 and a plurality of sunk part 54.The average height of a plurality of outshots 52 is in the scope of the 25%-75% of the mean breadth of a plurality of outshots.In addition, the mean breadth of a plurality of outshots 52 is in the scope of 0.5-100 micron.Outshot 52 and sunk part 54 are distributed on the upper surface 46, to obtain the tilt profiles of expectation.
Tilt profiles is the distribution along a plurality of inclination angles of at least one desired trajectory on optical alignment and the diffusion barrier 28.In addition, each inclination angle (φ) calculates with following formula:
Declination angle=arc tan| Δ h/ Δ w|, wherein:
(Δ w) representative suppose for example 0.5 micron along the preset width of grain surface 46;
The extreme lower position of (Δ h) representative (i) grain surface 46 upper edge width (Δ w) and the (ii) difference in height between the extreme higher position of grain surface 46 upper edge width (Δ w).
Can according to use that apparatus Surfcoder ET4000 generated through the two-dimensional surface outline data of filtering calculates the moldable film of reporting in present patent application inclination angle, this apparatus is made by the Kosaka Laboratory Limited of Tokyo.The operation setting of apparatus Surfcoder ET4000 is as follows: by (cutoff)=0.25mm, sampling length and evaluation and test length all are made as 10 millimeters.Speed is made as 0.1 mm/second, at the some acquisition outline data of 8000 equal intervals.
Can according to use that apparatus Surfcoder SE 1700 α are generated through the two-dimensional surface outline data of filtering calculates the cylinder roller of reporting in present patent application inclination angle, this apparatus is also made by the Kosaka Laboratory Limited of Tokyo.The operation setting of apparatus SurfcoderSE 1700 α apparatuses is as follows: evaluation and test length=7.2 millimeter, and by L C=0.800 millimeter.Speed is made as 0.500 mm/second, obtains outline data at 14400 points.
Can determine tilt profiles along predetermined reference track or line on the moldable film.Alternatively, use numerous reference locus or line can determine the whole lip-deep tilt profiles of plastic layer.
For example,, can calculate a plurality of inclination angles (φ), such as the axis 62 at the edge 61 that is parallel to film 28, perhaps perpendicular to the axis 60 of axis 62 along desired trajectory across grain surface 46 with reference to figure 6 and 8.Alternatively, can along the line 80 or line 82 calculate a plurality of inclination angles (φ).In aforesaid one or more tracks, the tilt profiles of expectation comprises that 7% to 20% inclination angle has the value of zero degree to five degree.
With reference to figure 4, illustrate according to a typical embodiments, the chart of the tilt profiles on the grain surface 46 on first side of film 28 is described.The inventor has realized that on the grain surface 46 20% or the inclination angle of smaller scale at this, and 7% to 20% inclination angle on the preferred surface 46, when having the value of zero degree to five degree, next-door neighbour's brightness enhancement film (for example, film 30 or 32) has enhanced brightness about axis 44.
With reference to Fig. 1 and 2, the angle that the proportional control at the inclination angle of zero degree to five degree is left film 28 and entered the light of light collimating films 30 on the texture upper surface 46.When the number percent of surperficial 46 top rades is about 16% the time, what light went out as shown is that film 28 is left at 31 degree angles with relative axis 44.In an alternate embodiment, if expectation light leaves the relative axis 44 of angle of film 28 greater than 31 degree, then film 28 should be configured to have greater than 16% inclination angle the value of zero degree to five degree.In another embodiment, if expectation light leaves the relative axis 44 of angle of film 28 less than 31 degree, then film 28 should be configured to have less than 16% inclination angle the value of zero degree to five degree.
With reference to figure 3, film 28 also has the grain surface 48 on second side of film 28.This grain surface 48 has tilt profiles, wherein is greater than or equal to the value that 70% inclination angle has zero degree to five degree on the grain surface 48.
With reference to figure 9, illustrate the melt calendering system 100 that is used to make texture plastic layer 106, this texture plastic layer can be cut into predetermined shape subsequently to form optical alignment and diffusion barrier 28.Melt calendering system 100 comprises extrusion equipment 102, mould 104, cylinder roller 64,108,110,112,114,116, cylindricality sleeve pipe 118, roller cooling system 120, thickness scanner 122, motor 124,126,128, and control computer 130.
Provide extrusion equipment 102 heating of plastic to be higher than predetermined temperature, become liquid state to impel plastics.Be operably connected extrusion equipment 102 to mould 104 and control computer 130.Response is from the control signal (E) of control computer 130, and extrusion equipment 102 heating the plastics there are higher than predetermined temperature, and advances plastics process mould 104 to form plastic layer 106.
Provide cylinder roller 64,108 between them, receiving plastic layer 106, and at least one side of plastic layer 106, form grain surface from mould 104.Cylinder roller 64,108 is preferably by steel construction, and is operably connected to roller cooling system 120.Certainly, in an alternate embodiment, cylinder roller 64,108 can be material structure metal known in those skilled in the art or nonmetallic by other.The temperature that roller cooling system 120 is kept cylinder roller 64,108 is lower than predetermined temperature, with when plastic layer 106 between roller 64,108 by the time it is solidified.Cylinder roller 64 has grain surface 107, wherein on the grain surface 107 or have a value of zero degree to five degree along 7% to 20% inclination angle of at least one track on the grain surface 107.Thereby, when cylinder roller 64 contacts first side of plastic layers 106, cylinder roller 64 forms grain surface on plastic layer 106, on the surface 46 in its middle level 106 or have a value of zero degree to five degree along 7% to 20% inclination angle of at least one track on the grain surface 46.
With reference to figure 5 and 7, can be along the inclination angle (φ) of determining cylinder roller 64 across the desired trajectory of outside surface 107, such as the line 68 that substantially extends that is basically perpendicular to end 211 across roller 64, perhaps predetermined length of distance end 211, the line 62 that extends around the circumference of roller 64 substantially.Alternatively, can along the line 84 or line 86 determine the inclination angle (φ) of cylinder rollers 64.
After layer 106 passes through, set cylinder roller 110,112 to receive plastic layer 106 between roller 64,108.Can adjust the position of cylinder roller 110, with the quantity of the surface area of the plastic layer 106 that changes contact cylinder roller 108.Be operably connected cylinder roller 110 to roller cooling system 120, and the temperature that this cooling system is kept roller 110 is lower than predetermined temperature to solidify plastic layer 106.Cylinder roller 112 receives a part of plastic layer 106 in roller 110 downstreams, and to cylinder roller 114,116 conduction plastic layers 106.
Provide cylinder roller 114,116 with reception plastic layer 106 between them, and move plastic layer 106 to cylindricality sleeve pipe (cylindrical spool) 118.Cylinder roller 114,116 is operably connected to motor 126,124 respectively.Control computer 130 generates control signals (M1), (M2), its impel respectively motor 124,126 by predetermined direction swivelling idler 116,114 so that plastic layer 106 is advanced to sleeve pipe 118.
Provide cylindricality sleeve pipe 118 with reception texture plastic layer 106, and form a volume plastic layer 106.The cylindricality that is operably connected sleeve pipe 118 is to motor 128.Control computer 130 generates control signal (M3), and this control signal impels motor 128 to roll up plastic layer 106 by predetermined direction revoling tube 118 to form one.
Before cylinder roller 114,116 receiving layers 106, provide thickness scanner 122 to measure the thickness of plastic layer 106.Thickness scanner 122 generates the signal (T1) of expression plastic layer 106 thickness, and this signal is transferred to control computer 130.
With reference to Figure 10, illustrate the embossing system 150 that is used to make plastic layer 154, this plastic layer is cut into predetermined shape subsequently to form film 28.Embossing system 150 comprises cylindricality sleeve pipe 152, film firing equipment 156, cylinder roller 64,160,162,164,166,168, cylindricality sleeve pipe 170, roller heating system 172, thickness scanner 174, motor 176,178,180, and control computer 182.
Provide cylindricality sleeve pipe 152 to keep plastic layer 150 there.When 152 rotations of cylindricality sleeve pipe, untie a part of plastic layer 150 from sleeve pipe 152, and it is shifted to cylinder roller 64,160.
When plastic layer 150 when cylindricality sleeve pipe 152 is shifted to cylinder roller 64,160, provide film firing equipment 156 to heat this plastic layer 150.Control computer 182 generates the signal (H1) that is transferred to film firing equipment 156, and this signal impels equipment 156 heating plastic layers 150 to be higher than predetermined temperature.
Cylinder roller 64,160 is provided, between them, receiving plastic layer 154, and at least one side of plastic layer 154, forms grain surface from cylindricality sleeve pipe 152.Cylinder roller 64,160 is preferably by steel construction, and is operably connected to roller heating system 172.Certainly, in an alternate embodiment, cylinder roller 64,160 can be material structure metal known in those skilled in the art or nonmetallic by other.The temperature that roller heating system 172 is kept roller 64,160 is higher than predetermined temperature, with when plastic layer 154 between roller 64,160 by the time this plastic layer of melt portions at least.Cylinder roller 64 has external texture surface 107, and wherein 7% to 20% inclination angle has the value of zero degree to five degree on the grain surface 107.Thereby when cylinder roller 64 contacted first side of plastic layers 154, cylinder roller 64 formed grain surface on plastic layer 154, and 7% to 20% inclination angle has the value of zero degree to five degree on the upper surface in its middle level 154.
After layer 154 passes through, set cylinder roller 162,164 to receive plastic layer 154 between roller 64,160.Can adjust the position of cylinder roller 162, with the quantity of the surface area of the plastic layer 154 that changes contact cylinder roller 160.Cylinder roller 164 receives a part of plastic layer 154 in roller 162 downstreams, and to cylinder roller 166,168 conduction plastic layers 154.
Provide cylinder roller 166,168 with reception plastic layer 154, and move plastic layer 154 to cylindricality sleeve pipe 170.Cylinder roller 166,168 is operably connected to motor 178,176 respectively.Control computer 182 generates control signals (M4), (M5), this control signal impel respectively motor 176,178 by predetermined direction swivelling idler 168,166 so that plastic layer 154 is advanced to sleeve pipe 170.
Provide cylindricality sleeve pipe 170 with reception plastic layer 154, and form a volume plastic layer 154.The cylindricality that is operably connected sleeve pipe 170 is to motor 180.Control computer 182 generates control signal (M6), and this control signal impels motor 180 to roll up plastic layer 154 by predetermined direction revoling tube 170 to form one.
Before cylinder roller 114,116 receiving layers 154, provide thickness scanner 174 to measure the thickness of plastic layer 154.Thickness scanner 174 generates the signal (T2) of expression plastic layer 154 thickness, and this signal is transferred to control computer 182.
With reference to Figure 11, illustrate the system 200 that on cylinder roller 64, forms grain surface according to typical embodiments.Cylinder roller 64 has grain surface, uses this grain surface to be used for obtaining the texture plastic layer of film 28 with formation in fusion calendering system 100 or embossing system 150.This system 200 comprises laser instrument 202, linear actuators 204, motor 206, and control computer 208.
Provide laser instrument 202 with emission pulse laser bundle, this laser beam contacts outside surface with predetermined strength, removes part outside surface 209, to obtain grain surface thereon.Laser instrument 202 emitted laser bundles in the focal diameter of the outside surface 209 of cylinder roller 64 in the scope of 0.005-0.5 millimeter.In addition, the time period in 0.1-100 microsecond scope, the laser beam that emission is used for the predetermined area of cylinder roller 64 has the interior energy level of 0.05-1.0 joule scope.Be operably connected laser instrument 202 to control computer 208, and response generates laser beam from the control signal (C1) that control computer 208 receives.Laser instrument 102 comprises neodymium (Nd): yttrium, aluminium, garnet (YAG) laser instrument, set the laser beam of launching wavelength with 1.06 microns.But, should be appreciated that and can use any lasing light emitter that can on cylinder roller, form desired grain surface.In an alternate embodiment, can be with setting the electron beam evaporation equipment that on cylinder roller, forms desired grain surface to replace laser instrument 202.In another alternate embodiment, can be with setting the ion beam transmitter that on cylinder roller, forms desired grain surface to replace laser instrument 202.
Be operably connected linear actuators 204 to laser instrument 202, be used for moving laser instrument 202 along axis 203.Axis 203 is basically parallel to the outside surface 209 of cylinder roller 64.Linear actuators 204 moves laser instrument 202 relative to cylinder roller 64 with the speed in 0.001-0.1 millimeter per second scope.In an alternate embodiment, can connect linear actuators 204 to cylinder roller 64, move roller 64 by axis direction relative to static laser instrument.
Move laser instrument 202 213 o'clock at linear actuator 204 along axis 203 from the end 211 of roller 64 to end, the motor 206 that is operably connected to cylinder roller 64 with swivelling idler 64.Control computer 200 generates signal (M7), and this signal impels motor 206 with predetermined speed rotational circle tubular roller 64.Especially, motor 206 rotational circle tubular rollers 64 are so that the linear velocity of outside surface 209 is in the scope of 25-2500 millimeter per second.
With reference to Figure 12, illustrate the cross-sectional view of the part grain surface 209 of cylinder roller 64.Use energy beam die sinking system 200 to obtain grain surface 209.Grain surface 209 has tilt profiles, and wherein 7% to 20% inclination angle has the value of zero degree to five degree on the grain surface 209.
With reference to Figure 13, illustrate the texture plastic layer cutting that forms by cylinder roller 64 and the cross-sectional view of the part grain surface 215 of the optical alignment that comes and diffusion barrier 28.Film 28 has tilt profiles, and wherein 7% to 20% inclination angle has the value of zero degree to five degree on the film 28.
With reference to Figure 14, illustrate the system 230 that is used on cylinder roller 251, forming grain surface according to another typical embodiments.Cylinder roller 251 can be used in melt calendering system 100 or in the embossing system 150,, this plastic layer has the physical characteristics of above-mentioned film 28 with acquisition for predetermined shape film can be cut subsequently to form the texture plastic layer.System 230 comprises shell 232, motor 242, pump 244, temperature controller 246, particle and metallic ion replenisher 248, and control computer 250.
Shell 232 is defined for the interior zone 234 that receives cylinder roller 251.Shell 232 holds the fluid that comprises a plurality of metallic ions 236 and a plurality of nonmetal particle 238.The size of nonmetal particle or diameter are in the 1-100 micrometer range.Nonmetal particle comprises silica particle (silica particle).This silica particle can be solid silica particle, hollow silica particle or celelular silica particle.In an alternate embodiment, nonmetal particle comprises aluminium oxide particles.This aluminium oxide particles can be solid aluminium oxide particles, hollow aluminium oxide particles or Woelm Alumina particle.In another alternate embodiment, nonmetal particle comprises diamond particles.Metallic ion comprises nickel ion and nickel alloy ion.When the fluid in the shell 232 maintained desired temperatures, nonmetal particle in the fluid and metallic ion were chemically bonded to the outside surface 253 of cylinder roller 251 to form grain surface.Rotational circle tubular roller 251 is to obtain grain surface in fluid, and wherein 7% to 20% inclination angle has the value of zero degree to five degree on the grain surface.
Be operably connected motor 242 to cylinder roller 251, and with predetermined rotating speed rotational circle tubular roller 251.In shell 232, place motor 242.In an alternate embodiment, motor 242 is placed on shell 232 outsides, and its (not shown) extends through shell 232, is connected to cylinder roller 251 with swivelling idler 251.Control computer 250 generates signal (M8), and this signal impels motor 242 with predetermined rotating speed rotational circle tubular roller 251.
Provide pump 244 to extract the fluid that comprises nonmetal particle and metallic ion through temperature controller 246 and particle and metallic ion replenisher 248 from shell 232.Particularly, control computer 250 is produced signal (P1), and this signal impels pump 244 from shell 232 process instrument 246 and instrument 248 withdrawn fluid, and returns interior zone 234.
The temperature controller 246 that is operably connected receives the fluid that comprises nonmetal particle and metallic ion to pump 244 and from pump 244.Provide temperature controller 246 allowing nonmetal particle and metallic ion to unite preferred temperature on the outside surface 253 that deposits to cylinder roller 251 through the temperature of the fluid that is extracted of there with control.Fluid temperature (F.T.) process there in the temperature controller 246 monitoring pumps, and the temperature of rising or reduction fluid is to desired temperatures.
Be operably connected particle and metallic ion replenisher 248 to temperature controller 246, and receive the fluid that comprises nonmetal particle and metallic ion from instrument 246.Nonmetal particle and metallic ion unite deposit on the surface 253 during, the concentration of instrument 248 monitoring nonmetal particles and metallic ion.Should be appreciated that the concentration of nonmetal particle and metallic ion will reduce in the fluid because nonmetal particle and metallic ion are bonded to the outside surface 253 of roller 251.Instrument 248 is measured the concentration of nonmetal particle and metallic ion in the fluid that is extracted through the there, and increase the nonmetal particle of additional quantity and metallic ion in the fluid to keep the concentration of each material expectation.By after instrument 248 regulated fluid, transmit the interior zone 234 of fluid to shell 232.
With reference to Figure 15, illustrate the cross-sectional view of the part grain surface 253 of cylinder roller 251.Use particle and metallics associating depositing system 230 to obtain grain surface 253.Grain surface 253 has tilt profiles, and wherein 7% to 20% inclination angle has the value of zero degree to five degree on the grain surface 253.
With reference to Figure 16, illustrate the texture plastic layer cutting that forms by cylinder roller 251 and the cross-sectional view of the part grain surface 254 of the optical alignment that comes and diffusion barrier.Grain surface 254 has tilt profiles, and wherein 7% to 20% inclination angle has the value of zero degree to five degree on the grain surface 254.
With reference to Figure 17, illustrate the system 270 that is used on cylinder roller 278, forming grain surface according to another typical embodiments.Can use cylinder roller 278 to form the texture plastic layer in melt calendering system 100 or in the embossing system 150, use this plastic layer to have the film of the physical characteristics of similar substantially above-mentioned film 28 with acquisition.System 270 comprises shell 272, motor 280, current source 282, and control computer 284.
Shell 272 is defined for the interior zone 274 that receives cylinder roller 278.Shell 272 holds the electrolytic solution that comprises a plurality of metallic ions 276.In one embodiment, a plurality of metallic ions 276 comprise chromium ion.When applying predetermined current density to electrolytic solution, metallic ion 276 is attached to the outside surface 279 of cylinder roller 278, to form grain surface.Rotational circle tubular roller 278 is to obtain grain surface in electrolytic solution, and wherein 7% to 20% inclination angle has the value of zero degree to five degree on the grain surface.
Be operably connected motor 280 to cylinder roller 278, and provide in the preset time section with predetermined rotating speed rotational circle tubular roller 278.For example, motor 280 can be in the time period be 0.5-50 hour scope, changes rotating speed rotational circle tubular roller 278 in the per minute scope with 1-10.Motor 280 is placed on shell 272 inside.In an alternative embodiment, motor 280 is placed on shell 272 outsides, and its (not shown) extends through shell 272, is connected to cylinder roller 278 with swivelling idler 278.Especially, control computer 284 generates signal (M9), and this signal impels the rotating speed rotational circle tubular roller 278 of motor 280 with expectation.
Provide current source 282 to apply predetermined current density through electrolytic solution, adhere to the outside surface 279 of cylinder roller 278 to impel metallic ion in the electrolytic solution.Between the metal bar 275 and cylinder roller 278 of current source 280 electrical couplings in being immersed in electrolytic solution.Current source 280 also is operably connected to control computer 284.Control computer 284 generates control signal (I1), and this signal impels current source 282 to produce electric current through electrolytic solution.In one embodiment, the current density that produces in electrolytic solution in every square millimeter of scope of 0.001-0.1 ampere of current source 280 adheres to cylinder roller 278 to impel the metallic ion in the liquid.
With reference to Figure 18, illustrate according to another typical embodiments, be used on cylinder roller 318, forming the system 300 of grain surface.Can use cylinder roller 318 in melt calendering system 100 or in the embossing system 150,, cut this plastic layer has the physical characteristics of similar substantially above-mentioned film 28 with acquisition for predetermined shape film subsequently to form the texture plastic layer.System 300 comprises die sinking equipment 302, linear actuators 312, motor 314, and control computer 316.
Provide die sinking equipment 302 to contact the outside surface 319 of cylinder roller 318 repeatedly, remove part outside surface 319 to obtain grain surface with predetermined frequency.Particularly, preset frequency is preferably in the scope of 1000-1500 KHz.Die sinking equipment 302 comprises piezoelectric transducer 304, reciprocating member 306, cutting tool anchor clamps 308, and cutting tool 310.
The control signal (P) that provides piezoelectric transducer 304 response to receive from control computer 316, with predetermined frequency along the mobile repeatedly up and down reciprocating member 306 of axis 307.Reciprocating member 306 also is operably connected to first end of the cutting tool anchor clamps 308 that keep cutting tool 310.
With reference to Figure 19 and 20, provide cutting tool 310 to remove the part outside surface 319 of cylinder roller 318.Cutting tool 310 is by the adamas structure of tip diameter (D1) in the 2-30 micrometer range.Cutting tool 310 has the face of tool 311 of extending 160 degree around the central point of cutter 310.When rotating outside surface 319 with predetermined speed, the face of tool 311 of instrument 310 contacts outside surface 319 repeatedly.
Be operably connected linear actuators 312 to die sinking equipment 302, be used for moving die sinking equipment 302 along axis 303.Axis 303 is basically parallel to the outside surface 319 of cylinder roller 318.Linear actuator 312 moves first end 321 to second ends 323 of die sinking equipment 302 from cylinder roller 318 relative to cylinder roller 318 with predetermined axle speed.In an alternate embodiment, can connect linear actuators 312 to cylinder roller 318, move roller 318 relative to static die sinking equipment along axis direction.
When linear actuators 312 moves die sinking equipment 302 from holding 321 to end 323 the time along axis 303, the motor 314 that is operably connected to cylinder roller 318 with swivelling idler 318.Control computer 316 generates signal (M10), and this signal impels motor 314 with predetermined rotating speed rotational circle tubular roller 318.Particularly, motor 310 is with the rotating speed rotational circle tubular roller 318 in the 10-200 commentaries on classics per minute scope.
With reference to Figure 21, illustrate the system 330 that is used on cylinder roller 340, forming grain surface according to another typical embodiments.Can use cylinder roller 340 to form the texture plastic layer in melt calendering system 100 or in the embossing system 150, cut this plastic layer subsequently and be predetermined shape, the film that has the physical characteristics of similar substantially above-mentioned film 28 with acquisition.System 330 comprises shell 332, motor 336, and control computer 338.
Before the work of interpre(ta)tive system 330, the summary of cylinder roller 340 structures will be provided.With reference to Figure 22, cylinder roller 340 has the basic columniform interior section 342 that is, this part is coated with chemically-resistant layer 343.This chemically-resistant layer 343 comprises plastic layer.In an alternative embodiment, this chemically-resistant layer 343 comprises the wax layer.In another alternate embodiment, this chemically-resistant layer 343 comprises photoresist layer.After with chemically-resistant layer 343 coating cylinder roller 340, remove layer 343 in the precalculated position part of (for example the position 346).The energy beam of use such as laser etc. is removed the part at the layer 343 in precalculated position.In an alternative embodiment, use the hardness of hardness, but remove layer 343 a part in the precalculated position less than the instrument (not shown) of the hardness of columniform interior section 342 greater than chemically-resistant layer 343.In another alternate embodiment, the photoetching process that use is well known to those skilled in the art is removed the chemically-resistant layer 343 in the precalculated position.
Shell 332 is defined for the interior zone 334 that receives cylinder roller 340.Shell 332 holds the etching solution of the expose portion of the interior section 342 that is used to remove cylinder roller 340.This etching solution comprises nitric acid, and wherein the 5%-25% of etching solution amount is a nitric acid.In an alternate embodiment, this etching solution comprises hydrochloric acid, and wherein the 5%-25% of etching solution amount is a hydrochloric acid.When cylinder roller 340 rotated in etching liquid, etching liquid was removed the part of cylinder roller 340 immediate vicinity 346, and to form grain surface, wherein 7% to 20% inclination angle has the value of zero degree to five degree on the grain surface.
Be operably connected motor 336 to cylinder roller 340, and with predetermined rotating speed rotational circle tubular roller 340.In shell 332, place motor 336.In an alternate embodiment, motor 336 is placed on shell 332 outsides, and its (not shown) extends through shell 332, is connected to cylinder roller 340, with swivelling idler 340.Control computer 338 generates signal (M11), and this signal impels motor 336 with predetermined rotating speed rotational circle tubular roller 340.Particularly, motor 336 is with the rotating speed rotational circle tubular roller 340 in the 1-50 commentaries on classics per minute scope.
With reference to Figure 23, illustrate according to another typical embodiments, be used on cylinder roller 390, forming the system 370 of grain surface.Can use cylinder roller 390 in melt calendering system 100 or in the embossing system 150,, cut this plastic layer subsequently and be predetermined shape, the film that has the physical characteristics of similar substantially above-mentioned film 28 with acquisition to form the texture plastic layer.System 370 comprises electrode or electrod-array 372, voltage source 374, linear actuators 376, motor 378, pump 382, filtrator 384, dielectric liquid source 386, and control computer 388.
Provide electrode 372 to discharge electric spark repeatedly, this electric spark contact outside surface 391 is removed part surface 391 to obtain grain surface.Be operably connected electrode 372 to voltage source 374, and receive voltage, have the electric spark of voltage in the 100-1000 volt range with generation from voltage source 374.Be operably connected voltage source 374 to control computer 388.Control computer 388 generates signal (V2), and this signal impels voltage source 374 to apply predetermined voltage to electrode 372.Electrode 372 also is operably connected to linear actuators 376.When rotational circle tubular roller 390, electrode 372 moves along axis 373, and discharges the part that electric spark is removed cylinder roller 390 repeatedly, and to form grain surface, wherein 7% to 20% inclination angle has the value of zero degree to five degree on the grain surface.
Provide pump 382 to extract dielectric fluids, pass through filtrator 384 and finally pass through nozzle 380 from dielectric liquid pool 386.Nozzle 380 guiding dielectric liquids are to the outside surface 391 of cylinder roller 390.Use dielectric liquid through the outside surface 391 of there conduct electricity spark to cylinder roller 390.Nozzle 380 also is operably connected to linear actuators 376.
Be operably connected linear actuators 376 to electrode 372 and nozzle 380.Linear actuators 376 is along axis 373 traveling electrodes 372 and nozzle 380, and this axis is basically parallel to the outside surface of cylinder roller 390.Particularly, linear actuators 376 along axis 373 from cylinder roller 390 first end, 393 traveling electrodes 372 and nozzle 380 to second end 395 of cylinder roller 390.
When linear actuators 376 along axis 373 from holding 393 traveling electrodes 372 and nozzle 380 to end 395 the time, the motor 378 that is operably connected to cylinder roller 390 with swivelling idler 390.Control computer 388 generates signal (M12), and this signal impels motor 378 with predetermined rotating speed rotational circle tubular roller 390.
This optical alignment and diffusion barrier and the method for making this film have the main advantage that is better than other system and method.Particularly, this system and method has and does not add any added substance such as polystyrene bead or acrylate solution etc. to plastic layer, but the technique effect of the plastic layer of the grain surface with diffusion light that is easy to make is provided.
Though describe the present invention with reference to typical embodiments, those skilled in the art is to be understood that the various changes that can not break away from the scope of the invention and substitutes its element with equivalent.In addition, can not break away from the multiple modification to the present invention's instruction of the scope of the invention, to adapt to concrete situation.Therefore, the present invention is intended to not be subjected to carry out the restriction of disclosed embodiments of the present invention, drops on all embodiments of specifying in the claim scope but the present invention includes.In addition, the order of any importance is not represented in the use of the first, the second grade of term, and the first, the second grade that is to use term is to distinguish an element and another.

Claims (121)

1. optical alignment and diffusion barrier is characterized in that:
Have first side (46) and second side (48) relative with first side (46), and the plastic layer (28) of at least one first peripheral edge (61), this first side (46) has first grain surface, wherein be close to 7% to 20% in the inclination angle of first axle (62) on first grain surface and have the value of zero degree to five degree, first axle (62) is basically parallel to first peripheral edge (61), and wherein plastic layer (28) calibration is through the light of its propagation.
2. optical alignment as claimed in claim 1 and diffusion barrier is characterized in that on first grain surface that 7% to 20% in the inclination angle of next-door neighbour's second axis (60) has the value of zero degree to five degree, and described second axis (60) is basically perpendicular to first axle (62).
3. optical alignment as claimed in claim 1 and diffusion barrier, it is characterized in that described first grain surface comprises a plurality of outshots (52) and a plurality of sunk part (54), wherein each outshot (52) stretches out from least one next-door neighbour's sunk part (54).
4. optical alignment as claimed in claim 3 and diffusion barrier, the average height that it is characterized in that described a plurality of outshot (52) is in the scope of the 25%-75% of the mean breadth of described a plurality of outshots (52).
5. optical alignment as claimed in claim 3 and diffusion barrier, the mean breadth that it is characterized in that described a plurality of outshot (52) is in the scope of 0.5-100 micron.
6. optical alignment as claimed in claim 1 and diffusion barrier is characterized in that described plastic layer (28) calibration passes plastic layer (28) propagates into first side (46) from second side (48) light.
7. optical alignment as claimed in claim 6 and diffusion barrier is characterized in that described plastic layer (28) calibration passes light there towards the axis perpendicular to plastic layer (28).
8. optical alignment as claimed in claim 1 and diffusion barrier is characterized in that described second side (48) comprises second grain surface, wherein are greater than or equal to the value that 70% inclination angle has zero degree to five degree on second grain surface.
9. optical alignment as claimed in claim 1 and diffusion barrier is characterized in that described plastic layer (28) comprises the optical brightener of its amount in the 0.001%-1.0% of stratum total scope.
10. optical alignment as claimed in claim 1 and diffusion barrier is characterized in that described plastic layer (28) is included in its inner antistatic compound.
11. optical alignment as claimed in claim 10 and diffusion barrier is characterized in that described antistatic compound comprises and fluoridize sulfonation phosphorus.
12. optical alignment as claimed in claim 1 and diffusion barrier is characterized in that described plastic layer (28) comprises the ultraviolet absorber compounds of its amount in the scope of the 0.01%-1.0% of plastic layer total amount.
13. optical alignment as claimed in claim 1 and diffusion barrier is characterized in that described plastic layer (28) has the thickness in the 0.025-10 millimeter scope.
14. optical alignment as claimed in claim 1 and diffusion barrier is characterized in that described plastic layer (28) has the thickness in the 0.025-0.5 millimeter scope.
15. optical alignment as claimed in claim 1 and diffusion barrier is characterized in that on described first grain surface that 7% to 20% inclination angle has the value of zero degree to five degree.
16. method of making optical alignment and diffusion barrier, described method comprises through mould (104) pushes the plastics of heating to form plastic layer (106), described plastic layer (106) has first side and second side relative with first side, and at least one first peripheral edge, described plastic layer (106) extends along the first axle and second axis, this first axle is basically parallel to first peripheral edge, and second axis is basically perpendicular to first axle, the method is characterized in that:
Cool off that at least one is lower than predetermined temperature in the first and second rotational circle tubular rollers (64,108); And
Mobile plastic layer (106) between the first and second rotational circle tubular rollers (64,108), first side of first cylinder roller (64) contact plastic layer (106) and second cylinder roller (108) contact, second side, first cylinder roller (64) forms first grain surface on first side of plastic layer (106), wherein 7% to 20% in the inclination angle of next-door neighbour's first axle has the value of zero degree to five degree on first grain surface.
17. method as claimed in claim 16 is characterized in that 7% to 20% in the inclination angle of next-door neighbour's second axis on first grain surface wherein has the value of zero degree to five degree.
18. method as claimed in claim 16, its feature also are around receiving the plastic layer that sleeve pipe (118) is reeled and cooled off.
19. method as claimed in claim 16 is characterized in that on described first grain surface that 7% to 20% inclination angle has the value of zero degree to five degree.
20. a system that is used to make optical alignment and diffusion barrier, this system comprise the extrusion equipment (102) that is operably connected to mould (104), this extrusion equipment (102) advances plastics (106) the process moulds (104) of heating to form plastic layer (106); This plastic layer has first side and second side relative with first side, and at least one first peripheral edge; This plastic layer (106) extends along the first axle and second axis, and this first axle is basically parallel to first peripheral edge, and second axis is basically perpendicular to first axle; The system is characterized in that:
First and second cylinder rollers (64,108) that are closely adjacent to each other and place are used to receive plastic layer (106); And
Cooling device (120), set this equipment and be lower than predetermined temperature with at least one that cool off in first and second cylinder rollers (64,108), wherein first cylinder roller (64) contacts first side of plastic layer (106), and on first side of plastic layer (106), form first grain surface, second side of second cylinder roller (108) contact plastic layer (106), wherein 7% to 20% in the inclination angle of next-door neighbour's first axle has the value of zero degree to five degree on first grain surface.
21. system as claimed in claim 20 is characterized in that on first grain surface that 7% to 20% in the inclination angle of next-door neighbour's second axis has the value of zero degree to five degree.
22. system as claimed in claim 20 is characterized in that described second cylinder roller (108) go up to form second grain surface at plastic layer (106), wherein is greater than or equal to 70% inclination angle on second grain surface and has the value of zero degree to five degree.
23. system as claimed in claim 20, its feature also is:
Third and fourth cylinder roller (114 that is closely adjacent to each other and places, 116), be used for receiving the plastic layer of cooling from first and second rollers (64,108), set third and fourth cylinder roller (114,116) rotation is to advance plastic layer to winding apparatus (128), and described winding apparatus (128) receives plastic layer and centers on and receives sleeve pipe (118) coiling plastic layer.
24. system as claimed in claim 20 is characterized in that on first grain surface that 7% to 20% inclination angle has the value of zero degree to five degree.
25. method that is used to make optical alignment and diffusion barrier, described method comprises heating plastic layer (154), described plastic layer (154) has first side and second side relative with first side, and at least one first peripheral edge, described plastic layer (154) extends along the first axle and second axis, this first axle is basically parallel to first peripheral edge, and second axis is basically perpendicular to first axle, the method is characterized in that:
At least one that heats in first and second cylinder rollers (64,160) is higher than predetermined temperature; And
Mobile plastic layer (154) between the first and second rotational circle tubular rollers (64,160), wherein first side of first cylinder roller (64) contact plastic layer (154) and second cylindrical shape are rolled (160) post and are contacted second side, first cylinder roller (64) forms first grain surface on first side of the first axle of next-door neighbour's plastic layer (154), wherein 7% to 20% in the inclination angle of next-door neighbour's first axle has the value of zero degree to five degree on first grain surface.
26. method as claimed in claim 25 is characterized in that on first grain surface that 7% to 20% in the inclination angle of next-door neighbour's second axis has the value of zero degree to five degree.
27. method as claimed in claim 25 is characterized in that around receiving sleeve pipe (170) coiling plastic layer (154).
28. method as claimed in claim 25 is characterized in that on described first grain surface that 7% to 20% inclination angle has the value of zero degree to five degree.
29. system that is used to make optical alignment and diffusion barrier, this system comprises and sets first firing equipment (156) heat plastic layer (154), this plastic layer (154) has first side and second side relative with first side, and at least one first peripheral edge, this plastic layer (154) extends along the first axle and second axis, described first axle is basically parallel to first peripheral edge, and described second axis is basically perpendicular to first axle, the system is characterized in that:
First and second cylinder rollers (64,160) that are closely adjacent to each other and place are used to receive plastic layer (154); And
Second firing equipment (172), set at least one that heats in first and second cylinder rollers (64,160), wherein first cylinder roller (64) contacts first side of plastic layer (154), and on first side, form first grain surface, and second side of second cylinder roller (160) contact plastic layer (154), wherein 7% to 20% in the inclination angle of next-door neighbour's first axle has the value of zero degree to five degree on first grain surface.
30. system as claimed in claim 29 is characterized in that on first grain surface that 7% to 20% in the inclination angle of next-door neighbour's second axis has the value of zero degree to five degree.
31. system as claimed in claim 29 is characterized in that described second cylinder roller (160) forms second grain surface on second side, wherein is greater than or equal to the value that 70% inclination angle has zero degree to five degree on second grain surface.
32. system as claimed in claim 29, its feature also is:
Third and fourth cylinder roller (166,168) that is closely adjacent to each other and places, be used for receiving the plastic layer of cooling from first and second cylinder rollers (64,160), set third and fourth cylinder roller (166,168) rotation to advance plastic layer to winding apparatus (180), described winding apparatus (180) receives plastic layer and centers on and receives sleeve pipe (170) coiling plastic layer.
33. system as claimed in claim 29 is characterized in that on described first grain surface that 7% to 20% inclination angle has the value of zero degree to five degree.
34. an instrument that forms grain surface on optical alignment and diffusion barrier is characterized in that:
Cylindrical part (64) around first axle (66) placement, this part has external texture surface and first end and second end (211,213), this cylindrical part (64) also has first line (68) that is basically perpendicular to first end (211), this line next-door neighbour external texture surface, substantially extend across cylindrical part (64), this cylindrical part (64) also has second line (70), the length that this linear distance first end (211) is predetermined, substantially the circumference around cylindrical part (64) extends, this external texture surface has a plurality of outshots and a plurality of sunk part, wherein each outshot stretches out from least one next-door neighbour's sunk part, wherein a plurality of outshots and a plurality of sunk part limit a plurality of inclination angles, and wherein 7% to 20% in the inclination angle of next-door neighbour's first line (68) or second line (70) has the value of zero degree to five degree on the external texture surface.
35. instrument as claimed in claim 34 is characterized in that on the external texture surface that 7% to 20% in the inclination angle of next-door neighbour's first line (68) and second line (70) has the value that zero degree to five is spent.
36. instrument as claimed in claim 34 is characterized in that on the described external texture surface that 7% to 20% inclination angle has the value of zero degree to five degree.
37. one kind is used for going up the method that forms grain surface at cylinder roller (64), described cylinder roller (64) is placed around first axle, and have external texture surface and first end and second end (211,213), this cylinder roller (64) also has first line that is basically perpendicular to first end, this line next-door neighbour external texture surface, substantially extend across cylinder roller, this cylinder roller (64) also has second line, the length that this linear distance first end is predetermined, substantially the circumference around cylinder roller (64) extends, and this method comprises that the rotating speed to be scheduled to centers on first axle rotational circle tubular roller (64), the method is characterized in that:
Emission pulsation energy beam, this energy beam contacts the outside surface of cylinder roller (64) with predetermined strength, and during cylinder roller (64) rotation, energy beam is moved to second end (213) from first end (211) of cylinder roller (64), wherein energy beam is removed the part outside surface to obtain grain surface, and wherein 7% to 20% in next-door neighbour's first line or the second-line inclination angle has the value of zero degree to five degree on the grain surface.
38. method as claimed in claim 37 is characterized in that being close on the grain surface 7% to 20% in first line and the second-line inclination angle and has the value of zero degree to five degree.
39. method as claimed in claim 37 is characterized in that on the described grain surface that 7% to 20% inclination angle has the value of zero degree to five degree.
40. method as claimed in claim 37, the linear velocity of outside surface that it is characterized in that described cylinder roller (64) is in the scope of 25-2500 millimeter per second.
41. method as claimed in claim 37 is characterized in that moving energy beam relative to cylinder roller (64) with the speed in the scope of 0.001-0.1 millimeter per second.
42. method as claimed in claim 37, it is characterized in that described energy beam in the focal diameter of the outside surface of cylinder roller (64) in the scope of 0.005-0.5 millimeter.
43. method as claimed in claim 42 is characterized in that the time period in 0.1-100 microsecond scope, the energy beam of launching the contact cylinder roller (64) of the predetermined area that is used for cylinder roller has the interior energy level of 0.05-1.0 joule scope.
44. method as claimed in claim 37 is characterized in that described energy beam comprises laser beam.
45. method as claimed in claim 44 is characterized in that described laser beam has 1.06 microns wavelength.
46. method as claimed in claim 44 is characterized in that described laser beam comprises the Nd:YAG laser beam.
47. method as claimed in claim 37 is characterized in that described energy beam comprises electron beam.
48. method as claimed in claim 37 is characterized in that described bundle comprises ion beam.
49. method as claimed in claim 37 is characterized in that described grain surface comprises a plurality of outshots and a plurality of sunk part, wherein each outshot stretches out from least one next-door neighbour's sunk part.
50. method as claimed in claim 49, the average height that it is characterized in that described a plurality of outshots is in the scope of the 25%-100% of the mean breadth of described a plurality of outshots.
51. method as claimed in claim 49, the mean breadth that it is characterized in that described a plurality of outshots is in the scope of 0.5-100 micron.
52. method that goes up the formation grain surface at cylinder roller (278), described cylinder roller (278) is placed around first axle, and have external texture surface and first end and second end, this cylinder roller (278) also comprises first line, this line next-door neighbour external texture surface is provided with, described first line extends across cylinder roller substantially, be basically perpendicular to first end, this cylinder roller also comprises second line, the length that this linear distance first end is predetermined, substantially the circumference around cylinder roller extends, and the method is characterized in that:
In electrolytic solution, center on first axle rotational circle tubular roller (278), this cylinder roller (278) electrical grounding with predetermined rotating speed; And
Apply predetermined current density to electrolytic solution, wherein the metallic ion in the liquid (276) be attached to cylinder roller (278) outside surface to form grain surface, wherein 7% to 20% in next-door neighbour's first line or the second-line inclination angle has the value of zero degree to five degree on the grain surface.
53. method as claimed in claim 52 is characterized in that being close on the grain surface 7% to 20% in first line and the second-line inclination angle and has the value of zero degree to five degree.
54. method as claimed in claim 52 is characterized in that on the grain surface that 7% to 20% inclination angle has the value of zero degree to five degree.
55. method as claimed in claim 52 is characterized in that in the time period is 0.5-50 hour scope, changes rotating speed rotational circle tubular roller (278) in electrolytic solution in the per minute scope with 1-10.
56. method as claimed in claim 52 is characterized in that described metallic ion (276) comprises chromium ion.
57. method as claimed in claim 52 is characterized in that described predetermined current density is in every square millimeter of scope of 0.001-0.01 ampere.
58. method as claimed in claim 52 is characterized in that described grain surface comprises a plurality of outshots and a plurality of sunk part, wherein each outshot stretches out from least one next-door neighbour's sunk part.
59. method as claimed in claim 58, the average height that it is characterized in that described a plurality of outshots is in the scope of the 25%-100% of the mean breadth of described a plurality of outshots.
60. method as claimed in claim 58, the mean breadth that it is characterized in that described a plurality of outshots is in the scope of 0.5-100 micron.
61. method that goes up the formation grain surface at cylinder roller (253), described cylinder roller (253) is placed around first axle, and have external texture surface and first end and second end, this cylinder roller (253) also comprises first line, this line next-door neighbour external texture surface is provided with, described first line extends across cylinder roller (253) substantially, be basically perpendicular to first end, described cylinder roller (253) also comprises second line, the length that this linear distance first end is predetermined, substantially the circumference around cylinder roller (253) extends, and the method is characterized in that:
In the fluid that comprises metallic ion (236) and nonmetal particle (238), center on first axle rotational circle tubular roller (253) with predetermined rotating speed; And
Chemical bonding metallic ion (236) and nonmetal particle (238) arrive the outside surface of cylinder roller (253) to form grain surface, and wherein 7% to 20% in next-door neighbour's first line or the second-line inclination angle has the value of zero degree to five degree on the grain surface.
62. method as claimed in claim 61 is characterized in that being close on the grain surface 7% to 20% in first line and the second-line inclination angle and has the value of zero degree to five degree.
63. method as claimed in claim 61 is characterized in that on the grain surface that 7% to 20% inclination angle has the value of zero degree to five degree.
64. method as claimed in claim 61 is characterized in that nonmetal particle (238) comprises the silica particle of size in the 1-100 micrometer range.
65., it is characterized in that described silica particle comprises solid silica particle as the described method of claim 64.
66., it is characterized in that described silica particle comprises the hollow silica particle as the described method of claim 64.
67., it is characterized in that described silica particle comprises the celelular silica particle as the described method of claim 64.
68. method as claimed in claim 61 is characterized in that described nonmetal particle (238) comprises the aluminium oxide particles of size in the 1-100 micrometer range.
69., it is characterized in that described aluminium oxide particles comprises solid aluminium oxide particles as the described method of claim 68.
70., it is characterized in that described aluminium oxide particles comprises the Woelm Alumina particle as the described method of claim 68.
71. method as claimed in claim 61 is characterized in that described metallic ion comprises one of nickel ion and nickel alloy ion.
72. method as claimed in claim 61 is characterized in that described grain surface comprises a plurality of outshots and a plurality of sunk part, wherein each outshot stretches out from least one next-door neighbour's sunk part.
73. as the described method of claim 72, the average height that it is characterized in that described a plurality of outshots is in the scope of the 25%-100% of the mean breadth of described a plurality of outshots.
74. as the described method of claim 72, the mean breadth that it is characterized in that described a plurality of outshots is in the scope of 0.5-100 micron.
75. method as claimed in claim 61 is characterized in that described nonmetal particle (238) comprises the diamond particles of size in the 1-100 micrometer range.
76. method that goes up the formation grain surface at cylinder roller (390), described cylinder roller (390) is placed around first axle, and have external texture surface and first end and second end (393,395), this cylinder roller (390) also comprises first line, this line next-door neighbour external texture surface is provided with, described first line extends across cylinder roller (390) substantially, be basically perpendicular to first end (393), this cylinder roller (390) also comprises second line, the length that this linear distance first end (393) is predetermined, substantially the circumference around cylinder roller (390) extends, this method comprises that the rotating speed to be scheduled to centers on first axle rotational circle tubular roller (390), the method is characterized in that:
Dielectric liquid is applied on the cylinder roller (390); And
One or more electrodes (372) of placing from next-door neighbour's cylinder roller (390) discharge electric spark repeatedly, the outside surface of this electric spark contact cylinder roller (390), go up the metal of heating and fusing scheduled volume at cylinder roller (390), to form grain surface, during cylinder roller (390) rotation, to second end (395), wherein 7% to 20% in next-door neighbour's first line or the second-line inclination angle has the value of zero degree to five degree to mobile electric spark on the grain surface from first end (393) of cylinder roller (390).
77., it is characterized in that being close on the grain surface 7% to 20% in first line and the second-line inclination angle and have the value of zero degree to five degree as the described method of claim 76.
78., it is characterized in that on the grain surface that 7% to 20% inclination angle has the value of zero degree to five degree as the described method of claim 76.
79., it is characterized in that described electric spark has the voltage of 100-1000 volt as the described method of claim 76.
80. as the described method of claim 76, it is characterized in that described grain surface comprises a plurality of outshots and a plurality of sunk part, wherein each outshot stretches out from least one next-door neighbour's sunk part.
81. as the described method of claim 80, the average height that it is characterized in that described a plurality of outshots is in the scope of the 25%-100% of the mean breadth of described a plurality of outshots.
82. as the described method of claim 80, the mean breadth that it is characterized in that described a plurality of outshots is in the scope of 0.5-100 micron.
83. method that goes up the formation grain surface at cylinder roller (318), this cylinder roller (318) is placed around first axle, and have external texture surface and first end and second end, this cylinder roller (318) also comprises first line, this line next-door neighbour external texture surface is provided with, described first line extends across cylinder roller (318) substantially, be basically perpendicular to first end, this cylinder roller (318) also comprises second line, the length that this linear distance first end (321) is predetermined, substantially the circumference around cylinder roller extends, and this method comprises that the rotating speed to be scheduled to centers on first axle rotational circle tubular roller (318), the method is characterized in that:
Use cutting tool (310) to contact the outside surface of cylinder roller (318) repeatedly with predetermined frequency, during cylinder roller (318) rotation, this cutting tool (310) moves to second end (323) from first end (321) of cylinder roller (318), wherein cutting tool (310) is removed the part outside surface to obtain grain surface, and wherein 7% to 20% in next-door neighbour's first line or the second-line inclination angle has the value of zero degree to five degree on the grain surface.
84., it is characterized in that being close on the grain surface 7% to 20% in first line and the second-line inclination angle and have the value of zero degree to five degree as the described method of claim 83.
85., it is characterized in that on the grain surface that 7% to 20% inclination angle has the value of zero degree to five degree as the described method of claim 83.
86. as the described method of claim 83, the desired speed that it is characterized in that described cylinder roller (318) is in 10-200 changes the per minute scope.
87., it is characterized in that preset frequency is in the scope of 1000-1500 KHz as the described method of claim 83.
88. as the described method of claim 83, it is characterized in that described grain surface comprises a plurality of outshots and a plurality of sunk part, wherein each outshot stretches out from least one next-door neighbour's sunk part.
89. as the described method of claim 88, the average height that it is characterized in that described a plurality of outshots is in the scope of the 25%-100% of the mean breadth of described a plurality of outshots.
90. as the described method of claim 88, the mean breadth that it is characterized in that described a plurality of outshots is in the scope of 0.5-100 micron.
91. method that goes up the formation grain surface at cylinder roller (340), described cylinder roller (340) is placed around first axle, and have external texture surface and first end and second end, this cylinder roller (340) also comprises first line, this line next-door neighbour external texture surface is provided with, described first line extends across cylinder roller (340) substantially, be basically perpendicular to first end, this cylinder roller (340) also comprises second line, the length that this linear distance first end is predetermined, substantially the circumference around cylinder roller (340) extends, and it is characterized in that:
Apply this cylinder roller (340) with chemically-resistant layer (343), wherein remove the chemically-resistant layer (343) of in the precalculated position (346), to expose the cylinder roller surface under it in the precalculated position; And
In comprising the container of etching solution (332), center on first axle rotational circle tubular roller (340) with predetermined rotating speed, wherein this etching solution remove in the precalculated position (346) part drum shape roller (340) to obtain grain surface, wherein 7% to 20% in next-door neighbour's first line or the second-line inclination angle has the value of zero degree to five degree on the grain surface.
92., it is characterized in that being close on the grain surface 7% to 20% in first line and the second-line inclination angle and have the value of zero degree to five degree as the described method of claim 91.
93., it is characterized in that on the grain surface that 7% to 20% inclination angle has the value of zero degree to five degree as the described method of claim 91.
94., it is characterized in that described cylinder roller (340) rotates with the rotating speed that 1-50 changes in the per minute scope as the described method of claim 91.
95. as the described method of claim 91, the 5%-25% that it is characterized in that described etching solution amount is a nitric acid.
96. as the described method of claim 91, the 5%-25% that it is characterized in that described etching solution amount is a hydrochloric acid.
97., it is characterized in that using the described chemically-resistant layer (343) of photoetching process removal in the precalculated position as the described method of claim 91.
98., it is characterized in that using the described chemically-resistant layer (343) of energy beam removal in the precalculated position as the described method of claim 91.
99. as the described method of claim 91, it is characterized in that tool using contact cylinder roller (340) removes the described chemically-resistant layer in the precalculated position, the hardness of described instrument is greater than the hardness of chemically-resistant layer, but less than the hardness of cylinder roller.
100., it is characterized in that described chemically-resistant layer (343) comprises photoresist layer as the described method of claim 91.
As the described method of claim 91, it is characterized in that described chemically-resistant layer (343) comprises the wax layer.
As the described method of claim 91, it is characterized in that described chemically-resistant layer (343) comprises plastic layer.
As the described method of claim 91, it is characterized in that described grain surface comprises a plurality of outshots and a plurality of sunk part, wherein each outshot stretches out from least one next-door neighbour's sunk part.
As the described method of claim 103, the average height that it is characterized in that described a plurality of outshots is in the scope of the 25%-100% of the mean breadth of described a plurality of outshots.
As the described method of claim 103, the mean breadth that it is characterized in that described a plurality of outshots is in the scope of 0.5-100 micron.
A kind of back lighting equipment, described equipment comprise light source (22) and next-door neighbour's light source (22) placement to be used for receiving the photoconduction (26) from the light of light source (22), and described equipment is characterised in that:
At least one plastic layer (28), described plastic layer has first side (46) and second side (48) relative with first side (46), and at least one first peripheral edge, this first side (46) has first grain surface, wherein 7% to 20% in the inclination angle of next-door neighbour's first axle has the value of zero degree to five degree on first grain surface, this first axle is basically parallel to first peripheral edge, and wherein plastic layer (28) calibration is through the light of its propagation.
As the described back lighting equipment of claim 106, it is characterized in that on first grain surface that 7% to 20% in the inclination angle of next-door neighbour's second axis has the value of zero degree to five degree, described second axis is basically perpendicular to described first axle.
As the described back lighting equipment of claim 106, its feature also is at least one light oriented film (30) next-door neighbour first grain surface placement.
As the described back lighting equipment of claim 106, it is characterized in that on first grain surface that 7% to 20% inclination angle has the value of zero degree to five degree.
110., it is characterized in that described plastic layer (28) has the ultraviolet absorber compounds of its amount in the scope of the 0.01%-1.0% of plastic layer (28) total amount as the described back lighting equipment of claim 106.
111., it is characterized in that being greater than or equal to 80% of plastic layer (28) total amount and comprise polycarbonate compound as the described back lighting equipment of claim 106.
112., it is characterized in that described plastic layer (28) comprises the optical brightener of its amount in the 0.001%-1.0% scope of plastic layer (28) total amount as the described back lighting equipment of claim 106.
113., it is characterized in that described plastic layer (28) is included in its inner antistatic compound as the described back lighting equipment of claim 106.
114., it is characterized in that described antistatic compound comprises and fluoridize sulfonation phosphorus as the described back lighting equipment of claim 113.
115. optical alignment and diffusion barrier is characterized in that:
Simple layer (28), wherein be greater than or equal to 80% of simple layer (28) total amount and comprise polycarbonate compound, this simple layer has first side (46) and second side (48) relative with first side (46), and at least one first peripheral edge (61), this first side (46) has first grain surface, wherein be close to 7% to 20% in the inclination angle of first axle (62) on first grain surface and have the value of zero degree to five degree, this first axle (62) is basically parallel to first peripheral edge (61), and wherein plastic layer (28) calibration is through the light of its propagation.
116. as described optical alignment of claim 115 and diffusion barrier, it is characterized in that on first grain surface that 7% to 20% in the inclination angle of next-door neighbour's second axis (60) has the value of zero degree to five degree, described second axis (60) is basically perpendicular to first axle (62).
117., it is characterized in that on described first grain surface that 7% to 20% inclination angle has the value of zero degree to five degree as described optical alignment of claim 115 and diffusion barrier.
118., it is characterized in that described simple layer (28) also comprises to be evenly distributed in its inner antistatic compound substantially as described optical alignment of claim 115 and diffusion barrier.
119., it is characterized in that described antistatic compound comprises and fluoridize sulfonation phosphorus as described optical alignment of claim 115 and diffusion barrier.
120., it is characterized in that described simple layer (28) has the ultraviolet absorber compounds of its amount in the 0.01%-1.0% of simple layer total amount scope as described optical alignment of claim 115 and diffusion barrier.
121., it is characterized in that described simple layer (28) comprises the optical brightener of its amount in the 0.001%-1.0% scope of layer (28) total amount as described optical alignment of claim 115 and diffusion barrier.
CNB2005800317896A 2004-07-22 2005-07-20 Light collimating and diffusing film, and system for making the film Expired - Fee Related CN100489565C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/710,585 US7092163B2 (en) 2004-07-22 2004-07-22 Light collimating and diffusing film and system for making the film
US10/710,585 2004-07-22

Publications (2)

Publication Number Publication Date
CN101023378A CN101023378A (en) 2007-08-22
CN100489565C true CN100489565C (en) 2009-05-20

Family

ID=35058313

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB2005800317896A Expired - Fee Related CN100489565C (en) 2004-07-22 2005-07-20 Light collimating and diffusing film, and system for making the film

Country Status (10)

Country Link
US (3) US7092163B2 (en)
EP (1) EP1779154B1 (en)
JP (1) JP2008507731A (en)
KR (1) KR100926730B1 (en)
CN (1) CN100489565C (en)
AU (1) AU2005269696A1 (en)
CA (1) CA2574497A1 (en)
MX (1) MX2007000820A (en)
TW (1) TWI398672B (en)
WO (1) WO2006014709A1 (en)

Families Citing this family (39)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI289708B (en) 2002-12-25 2007-11-11 Qualcomm Mems Technologies Inc Optical interference type color display
US7342705B2 (en) 2004-02-03 2008-03-11 Idc, Llc Spatial light modulator with integrated optical compensation structure
US7630123B2 (en) 2004-09-27 2009-12-08 Qualcomm Mems Technologies, Inc. Method and device for compensating for color shift as a function of angle of view
GB0427607D0 (en) * 2004-12-16 2005-01-19 Microsharp Corp Ltd Structured optical film
TW200638114A (en) * 2005-04-22 2006-11-01 Ind Tech Res Inst The optical device and the light source equipment
JP2007060617A (en) 2005-07-28 2007-03-08 Mitsumi Electric Co Ltd Antenna device
US7807938B2 (en) * 2006-06-22 2010-10-05 Sabic Innovative Plastics Ip B.V. Mastering tools and systems and methods for forming a plurality of cells on the mastering tools
US8262381B2 (en) * 2006-06-22 2012-09-11 Sabic Innovative Plastics Ip B.V. Mastering tools and systems and methods for forming a cell on the mastering tools
JP2010510530A (en) 2006-10-06 2010-04-02 クォルコム・メムズ・テクノロジーズ・インコーポレーテッド Optical loss structure integrated into lighting equipment
US8872085B2 (en) 2006-10-06 2014-10-28 Qualcomm Mems Technologies, Inc. Display device having front illuminator with turning features
EP1946162A2 (en) 2006-10-10 2008-07-23 Qualcomm Mems Technologies, Inc Display device with diffractive optics
WO2008084744A1 (en) * 2007-01-09 2008-07-17 Dai Nippon Printing Co., Ltd. Optical sheet, planar light source device, and display device
US7604381B2 (en) * 2007-04-16 2009-10-20 3M Innovative Properties Company Optical article and method of making
US20090059553A1 (en) * 2007-05-08 2009-03-05 Tai-Yen Lin Light guiding structure and manufacturing of the same
US7991257B1 (en) 2007-05-16 2011-08-02 Fusion Optix, Inc. Method of manufacturing an optical composite
US8068710B2 (en) 2007-12-07 2011-11-29 Qualcomm Mems Technologies, Inc. Decoupled holographic film and diffuser
US7708446B2 (en) * 2008-02-26 2010-05-04 Sabic Innovative Plastic Ip B.V. Display film stacks and a method of modeling the films
US9062219B2 (en) * 2009-01-21 2015-06-23 Xerox Corporation Superhydrophobic nano-fabrics and coatings
US9217968B2 (en) 2009-01-21 2015-12-22 Xerox Corporation Fuser topcoats comprising superhydrophobic nano-fabric coatings
KR20120030460A (en) 2009-05-29 2012-03-28 퀄컴 엠이엠스 테크놀로지스, 인크. Illumination devices and methods of fabrication thereof
US8142041B2 (en) * 2009-08-27 2012-03-27 Sabic Innovative Plastics Ip B.V. Lenticular film and backlight modules for use therewith
TW201122651A (en) * 2009-12-24 2011-07-01 Hon Hai Prec Ind Co Ltd Manufacturing method of brightness enhance film and roll used by
CN102109711A (en) * 2009-12-25 2011-06-29 鸿富锦精密工业（深圳）有限公司 Method for manufacturing brightness enhancement film and rolling piece used by same
US9471019B2 (en) 2010-01-25 2016-10-18 Xerox Corporation Polymer-based long life fusers
US9329544B2 (en) * 2010-01-25 2016-05-03 Xerox Corporation Polymer-based long life fusers and their methods of making
US8902484B2 (en) 2010-12-15 2014-12-02 Qualcomm Mems Technologies, Inc. Holographic brightness enhancement film
US8350275B2 (en) 2011-04-01 2013-01-08 Sabic Innovative Plastics Ip B.V. Optoelectronic devices and coatings therefore
US20120268964A1 (en) 2011-04-20 2012-10-25 Sabic Innovative Plastics Ip B.V. Diffuser film with controlled light collimation
US9441106B2 (en) 2011-11-11 2016-09-13 Sabic Global Technologies B.V. Composition, multilayer sheets made therefrom, and methods for making and using the same
USD735400S1 (en) * 2013-02-09 2015-07-28 SVV Technology Innovations, Inc Optical lens array lightguide plate
US10393517B2 (en) 2014-10-27 2019-08-27 Laser Technology, Inc. Laser source modification techniques for a laser-based rangefinding or speed measurement instrument enabling increased range with improved accuracy
US9829617B2 (en) 2014-11-10 2017-11-28 Light Polymers Holding Polymer-small molecule film or coating having reverse or flat dispersion of retardation
US9856172B2 (en) 2015-08-25 2018-01-02 Light Polymers Holding Concrete formulation and methods of making
CN106125170B (en) * 2016-06-27 2018-11-09 宁波东旭成新材料科技有限公司 A kind of preparation method of diffusion barrier
TWI698335B (en) 2017-06-05 2020-07-11 荷蘭商薩比克全球科技公司 Multilayer polymeric films and methods of making thereof
US10962696B2 (en) 2018-01-31 2021-03-30 Light Polymers Holding Coatable grey polarizer
US11370914B2 (en) 2018-07-24 2022-06-28 Light Polymers Holding Methods of forming polymeric polarizers from lyotropic liquid crystals and polymeric polarizers formed thereby
CN111113837B (en) * 2020-01-06 2021-06-04 南京贝迪新材料科技股份有限公司 Production of light guide plate is with accurate extrusion transcription equipment
WO2023105372A1 (en) * 2021-12-07 2023-06-15 3M Innovative Properties Company Microstructured surface and articles with lower visibilty of scratches and methods

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5944405A (en) * 1994-08-12 1999-08-31 Dai Nippon Printing Co., Ltd. Flat light source using light-diffusing sheet with projections thereon
US6166793A (en) * 1997-06-06 2000-12-26 Sumitomo Chemical Company, Limited Reflective liquid crystal display with angularly selective light diffuser directly on reflector
US6297908B1 (en) * 1998-06-05 2001-10-02 Dai Nippon Printing Co., Ltd. Directional light-diffusing film, a method of manufacturing same, and a display device that uses same
US6417831B2 (en) * 1997-03-06 2002-07-09 Dai Nippon Printing Co., Ltd. Diffused light controlling optical sheet, back light device and liquid crystal display apparatus
US6445504B1 (en) * 1999-06-11 2002-09-03 Dai Nippon Printing Co., Ltd. Light diffusing film and use thereof

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2572626B2 (en) * 1988-04-28 1997-01-16 旭光学工業株式会社 Method of forming reticle and microstructure array
TW594115B (en) * 1992-10-09 2004-06-21 Asahi Glass Co Ltd A liquid crystal display device and an illumination device for a direct viewing type display element
JP4180654B2 (en) * 1995-04-26 2008-11-12 スリーエム カンパニー Method and apparatus for step-and-repeat exposure
US5854872A (en) * 1996-10-08 1998-12-29 Clio Technologies, Inc. Divergent angle rotator system and method for collimating light beams
TW538279B (en) * 1998-10-23 2003-06-21 Hitachi Ltd A reflective color liquid crystal display apparatus
KR100407413B1 (en) * 1999-07-19 2003-11-28 마쯔시다덴기산교 가부시키가이샤 Reflector, method of fabricating the same, reflective display device comprising reflector, and method of fabricating the same
JP4557389B2 (en) 2000-06-02 2010-10-06 大日本印刷株式会社 Protective diffusion film, surface light source device and liquid crystal display device
KR20020001594A (en) * 2000-06-26 2002-01-09 가마이 고로 Light pipe, plane light source unit and reflection type liquid-crystal display device
JP2002082331A (en) * 2000-09-06 2002-03-22 Toshiba Corp Liquid crystal display
GB0030675D0 (en) * 2000-12-15 2001-01-31 Rue De Int Ltd Methods of creating high efficiency diffuse back-reflectors based on embossed surface relief
JP2002341115A (en) 2001-05-17 2002-11-27 Dainippon Printing Co Ltd Protective diffusion film and method for manufacturing the same, surface light source device and liquid crystal display device
JP2003045215A (en) * 2001-07-27 2003-02-14 Alps Electric Co Ltd Plane light-emitting device and liquid crystal display device
JPWO2003032074A1 (en) 2001-09-27 2005-01-27 株式会社ツジデン Light diffusion film
JP2003121609A (en) * 2001-10-11 2003-04-23 Hitachi Ltd Optical sheet and display device equipped with the same
US6867927B2 (en) * 2002-03-11 2005-03-15 Eastman Kodak Company Transparent surface formed complex polymer lenses
US6721102B2 (en) * 2002-03-11 2004-04-13 Eastman Kodak Company Surface formed complex polymer lenses for visible light diffusion
US6583936B1 (en) * 2002-03-11 2003-06-24 Eastman Kodak Company Patterned roller for the micro-replication of complex lenses
US6831786B2 (en) * 2002-03-11 2004-12-14 Eastman Kodak Company Surface formed complex multi-layered polymer lenses for light diffusion
US6813094B2 (en) * 2002-03-11 2004-11-02 Eastman Kodak Company Surface formed complex polymer lenses diffuse reflector
US6890642B2 (en) * 2002-03-11 2005-05-10 Eastman Kodak Company Surface formed lenses on voided polymer light diffuser
US6636363B2 (en) * 2002-03-11 2003-10-21 Eastman Kodak Company Bulk complex polymer lens light diffuser
US6775347B2 (en) * 2002-05-29 2004-08-10 Ge Medical Systems Global Technology Company Methods and apparatus for reconstructing an image of an object
US20040068167A1 (en) * 2002-09-13 2004-04-08 Jiang Hsieh Computer aided processing of medical images
US6848795B2 (en) * 2002-10-24 2005-02-01 Eastman Kodak Company Increased contrast overhead projection films
KR100898790B1 (en) * 2002-12-09 2009-05-20 엘지디스플레이 주식회사 Substrate Aligning Apparatus for a Manufacturing Process of Liquid Crystal Display Device
US6952627B2 (en) 2002-12-18 2005-10-04 General Electric Company Method and apparatus for fabricating light management substrates

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5944405A (en) * 1994-08-12 1999-08-31 Dai Nippon Printing Co., Ltd. Flat light source using light-diffusing sheet with projections thereon
US6417831B2 (en) * 1997-03-06 2002-07-09 Dai Nippon Printing Co., Ltd. Diffused light controlling optical sheet, back light device and liquid crystal display apparatus
US6166793A (en) * 1997-06-06 2000-12-26 Sumitomo Chemical Company, Limited Reflective liquid crystal display with angularly selective light diffuser directly on reflector
US6297908B1 (en) * 1998-06-05 2001-10-02 Dai Nippon Printing Co., Ltd. Directional light-diffusing film, a method of manufacturing same, and a display device that uses same
US6445504B1 (en) * 1999-06-11 2002-09-03 Dai Nippon Printing Co., Ltd. Light diffusing film and use thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
2004/0120136A1 2004.06.24

Also Published As

Publication number Publication date
US7889427B2 (en) 2011-02-15
US7092163B2 (en) 2006-08-15
US20080029486A1 (en) 2008-02-07
US20060245059A1 (en) 2006-11-02
TWI398672B (en) 2013-06-11
EP1779154B1 (en) 2012-10-10
JP2008507731A (en) 2008-03-13
WO2006014709A1 (en) 2006-02-09
CN101023378A (en) 2007-08-22
MX2007000820A (en) 2007-04-09
EP1779154A1 (en) 2007-05-02
TW200617434A (en) 2006-06-01
KR20070038141A (en) 2007-04-09
US7280277B2 (en) 2007-10-09
CA2574497A1 (en) 2006-02-09
KR100926730B1 (en) 2009-11-17
AU2005269696A1 (en) 2006-02-09
US20060018026A1 (en) 2006-01-26

Similar Documents

Publication Publication Date Title
CN100489565C (en) Light collimating and diffusing film, and system for making the film
RU2514831C2 (en) Untrue filaments for use in digital extrusion production systems
CN103201670A (en) Microlens sheet and manufacturing method thereof
EP1767965A1 (en) Electromagnetic wave shielding grid polarizer and its manufacturing method and grid polarizer manufacturing method
US20100247757A1 (en) Method for forming lenticular prints
KR20060006764A (en) Retroreflector with controlled divergence made by the method of localized substrate stress
KR20140024393A (en) Diffuser film with controlled light collimation
JP2018513401A (en) Partial retroreflector tool and sheet forming method and apparatus
Wang et al. Development of laser and electrochemical machining based on internal total reflection
CN114460135A (en) Film-forming support, biochip, device, preparation method and application thereof
CN1556749A (en) Method and apparatus for an encased optical article
KR20000057191A (en) Improved object manufacture
CN110670014A (en) Mother plate core mold, mask plate and manufacturing method thereof
WO1987002935A1 (en) Process for making optical recording media
JP7051256B2 (en) A method for manufacturing a filler-filled film, a sheet-fed film, a laminated film, a laminated film, and a filler-filled film.
CN114131125A (en) Tool electrode with surface hydrophobic structure and preparation method thereof
CN1914461B (en) Light guide for area light source, its production method, and area light source
JP5130432B2 (en) Information recording medium and manufacturing method thereof
JP2007256189A (en) LIQUID JUNCTION MEMBER, REFERENCE ELECTRODE, pH METER, GLASS MEMBER HAVING THROUGH-HOLE
Utsumi et al. Dot array microoptics for lighting panel using synchrotron radiation lithography
EP0708330B1 (en) Low voltage miniaturized column analytical apparatus and method
Fautrat et al. Electrochemical deposition with a forced fluid flow inducing a transition from dendrites to disordered ramified morphologies
JPH10286725A (en) Long fine hole forming method
JP2005209948A (en) Method for fixing optical fiber of fiber laser, and its laser medium thereof
JAQUEZ et al. ALUMINUM COATINGS AS A DEUTERIUM

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
REG Reference to a national code

Ref country code: HK

Ref legal event code: DE

Ref document number: 1112645

Country of ref document: HK

C14 Grant of patent or utility model
GR01 Patent grant
REG Reference to a national code

Ref country code: HK

Ref legal event code: WD

Ref document number: 1112645

Country of ref document: HK

C56 Change in the name or address of the patentee
CP01 Change in the name or title of a patent holder

Address after: Bergen Op Zoom Holland

Patentee after: Sabic Innovative Plastics IP

Address before: Bergen Op Zoom Holland

Patentee before: Sabic Innovative Plastics Ip

CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20090520

Termination date: 20190720